20771088 has 40 divisors (see below), whose sum is σ = 57787968. Its totient is φ = 6390912.

The previous prime is 20771081. The next prime is 20771111. The reversal of 20771088 is 88017702.

It is not an unprimeable number, because it can be changed into a prime (20771081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16020 + ... + 17267.

Almost surely, 2^20771088 is an apocalyptic number.

It is an amenable number.

20771088 is an abundant number, since it is smaller than the sum of its proper divisors (37016880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20771088 is a wasteful number, since it uses less digits than its factorization.

20771088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33311 (or 33305 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 20771088 is about 4557.5309104821. The cubic root of 20771088 is about 274.8862912815.

The spelling of 20771088 in words is "twenty million, seven hundred seventy-one thousand, eighty-eight".